Abstract
This study experimentally determines the liquidus projection and phase equilibria isothermal section at 773.2 K (500°C) of the Ag-In-Zn ternary system. There are ten primary solidification phases of the Ag-In-Zn ternary system. In addition to the (Ag) (In) and (Zn) phases, there are seven binary compounds: β-(Ag3In), ζ-(Ag3In), γ-(Ag9In4), AgIn2, β-(AgZn), γ-(Ag5Zn8), and ε-(AgZn3). No ternary compounds were found. Among all these phases, the γ-(Ag9In4) primary solidification phase has the largest compositional regime. Five invariant reactions, two Class I reactions, two Class II reactions, and one Class III reaction, are determined by thermal analysis in this study. The reactions with the lowest and highest reaction temperatures are Liquid = (In) + AgIn2 + γ-(Ag5Zn8) at 413.5 K (140.3°C) and Liquid + (Ag) + β-(AgZn) = ζ-(Ag3In) at 964.9 K (691.7°C), respectively. In the isothermal section at 773.2 K, there are six tie-triangles: (Ag) + ζ-(Ag3In) + β-(AgZn), ζ-(Ag3In) + γ-(Ag9In4) + β-(AgZn), ζ-(Ag3In) + γ-(Ag9In4) + Liquid, γ-(Ag9In4) + β-(AgZn) + Liquid, β-(AgZn) + γ -(Ag5Zn8) + Liquid, and γ-(Ag5Zn8) + ε-(AgZn3) + Liquid.
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This study is financially sponsored by the National Science Council of Taiwan (NSC97-2221-E-007-067-MY3).
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Chang, JS., Chen, Sw. Liquidus Projection and Isothermal Section of the Ag-In-Zn Ternary System. J. Electron. Mater. 44, 1134–1143 (2015). https://doi.org/10.1007/s11664-015-3660-5
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DOI: https://doi.org/10.1007/s11664-015-3660-5